Serial Digital Bargraphs

Description

Serial Digital Bargraphs are devices used to measure and display process and electrical variables such as pressure, flow, temperature, speed, current, and voltage. They present data digitally using vertical or horizontal segments to indicate the degree of information displayed. These bargraphs can display both positive and negative values, depending on the positioning of the zero point.

Working Principle

Serial Digital Bargraphs operate by converting analog signals into digital displays. They use light-emitting diodes (LEDs) or liquid crystal displays (LCDs) to visually represent data. The bargraphs can be programmed to display data in various colors and configurations, enhancing readability and user interaction. The use of digital-to-analog converters (DACs) allows these devices to convert digital codes into voltage levels, which are then processed to produce the required output signal characteristics. This makes them useful for providing a clear, immediate visual representation of data, which is crucial for monitoring and control in various engineering applications.

Applications

Serial Digital Bargraphs are used in a wide range of applications. For example, they are employed in industrial processes to monitor variables such as temperature and pressure. They are also used in electrical engineering to measure current and voltage levels. In addition, these devices can be integrated into plant networks for real-time data logging and sophisticated control capabilities, making them suitable for both indoor and outdoor environments, including harsh conditions.

Advantages over other Digital Bargraphs

Serial Digital Bargraphs offer several advantages over other types of digital bargraphs. They provide high-resolution displays with the capability of showing multiple input channels and real-time data logging functions. The ability to connect directly to plant networks and the availability of rugged versions with sealed front panels make them versatile for various industrial applications. Additionally, the use of multiple colors and configurations enhances the readability and user interaction compared to traditional digital bargraphs.

Limitations

One limitation of Serial Digital Bargraphs is the need for additional panel space and connections, which can increase the complexity and cost of installation. In retrofit situations, modifications to existing panels may be necessary to accommodate these devices, which can be a challenge in certain applications.

Considerations

When considering the use of Serial Digital Bargraphs, it is important to evaluate initial costs, operating expenses, and maintenance requirements. These devices may have higher initial costs due to their advanced features and capabilities. However, their durability and accuracy can provide long-term benefits in terms of reliable data monitoring and control. Maintenance costs should also be considered, as regular calibration and potential replacement of components may be necessary to ensure optimal performance.

24 Results
10.4" Programmable LCD Module -- ezLCD-101
from EarthLCD, a division of Earth Computer Technologies, Inc.

Specifications. Full ezLCD Command Set. 10.4" 640x480, 18 bit Color TFT LCD, capable of 242,144 simultaneous colors. 400 Nits. Integrated Resistive Touch Screen. Embedded LCD Controller. Full Speed USB 2.0 Interface 480Mbits/s (via USB connector). Serial (true-RS232), I2c Interface, and SPI. [See More]

  • Outputs: Serial Communications
  • Display Colors: Multi
  • Display Technology: LCD
  • Bargraph Orientation: Vertical (optional feature); Horizontal (optional feature)
Process Indicator -- UPR900
from Dynisco

Features and Benefits. Graphical/text LCD Display with color change LED backlight on alarm (red/green). Graphical trend view of process, alarms & events as standard. Easy to use Setup Wizard. Display of differential pressure is available. USB port option for access to configuration and log... [See More]

  • Outputs: Analog; Serial Communications; Relay
  • Analog Input Channels: 1
  • Display Technology: LCD
  • Input Type: DC Voltage; DC Current; Strain Gauge; Temperature
Tiger 144X36mm, 101 Segment Bargraph, 5 Digit, T Version Digital Meter -- FI-B101D50T
from Hoyt Electrical Instrument Works, Inc.

The Tiger 320 Series of 32-bit Programmable Meter Controllers incorporates, in one instrument, all the different functions required by today's automation and process control applications. Plug-in hardware options provide the specific functions you actually require for each job. Input signal... [See More]

  • Outputs: Analog; Serial Communications; Relay
  • Display Colors: Green (optional feature); Red; Multi (optional feature)
  • Display Technology: LED
  • Bargraph: Center Zero; End Scale Zero
Vehicle Display Gauge -- iGauge Large Graphical LCD Display
from PG Drives Technology Inc.

Compatible with the i-Drive, C3, Trio+ and Sigmadrive controllers, the PGDT iGauge features a large graphical LCD to present battery status, hour counters and comprehensive diagnostic information in an intuitive, logical manner. Features: Fits 52mm diameter cut out. Large backlit LCD display. [See More]

  • Outputs: Serial Communications
  • Display Colors: Green
  • Display Technology: LCD
  • Bargraph Orientation: Horizontal
1/8 DIN Single Tricolor Bargraph -- Model DIN-BAR
from OTEK Corporation

The DIN-BAR was specifically designed to replace (form & fit)the old electromechanical bargraphs, with21st Century Technology exclusive toOTEK, the originator of the Automatic TricolorBargraph P.I.C. (Programmable IntelligentControllers). The only similarity isthe panel cut out, mounting and bezel. [See More]

  • Outputs: Analog (optional feature); Serial Communications; Relay (optional feature)
  • Display Colors: Green; Red
  • Display Technology: LED
  • Analog Input Channels: 2
10.4" Programmable LCD Module -- PM-ezLCD-101
from EarthLCD, a division of Earth Computer Technologies, Inc.

PM-ezLCD-101 Specifications: Full ezLCD Command Set. 10.4" 640x480, 18 bit Color TFT LCD, capable of 242,144 simultaneous colors. 400 Nits. Integrated Resistive Touch Screen. Embedded LCD Controller. Full Speed USB 2.0 Interface 480Mbits/s (via USB connector). Serial (true-RS232), I2c Interface, and... [See More]

  • Outputs: Serial Communications
  • Display Colors: Multi
  • Display Technology: LCD
  • Bargraph Orientation: Vertical (optional feature); Horizontal (optional feature)
Vehicle Display Gauge -- Sigmagauge LCD Vehicle Display
from PG Drives Technology Inc.

The Sigmagauge LCD is a highly versatile vehicle display, which can be easily configured and customized to meet OEM requirements. The backlit, dot-matrix display receives its information via CANbus, and presents vehicle status and diagnostic information to the operator using a graphic icon system. [See More]

  • Outputs: Serial Communications
  • Display Colors: Green
  • Display Technology: LCD
  • Bargraph Orientation: Horizontal
4.5 in Switchboard LED Bargraph -- Model HI-QTBS
from OTEK Corporation

Programmable Intelligent Controllers with bargraph digital LED or LCD display. [See More]

  • Outputs: Analog (optional feature); Serial Communications; Relay (optional feature)
  • Display Colors: Green; Orange; Red
  • Display Technology: LED
  • Analog Input Channels: 2
3.5" Programmable LCD Module -- ezLCD-103-EDK
from EarthLCD, a division of Earth Computer Technologies, Inc.

Specifications. Full ezLCD Command Set. 3.5" 320x240, 24 bit Color TFT LCD. 350 Nits. Integrated Resistive Touch Screen. Embedded LCD Controller. Full Speed USB 2.0 Interface 480Mbits/s (via USB connector). RS232 TTL, and SPI. Integrated MicroSD/MMC (Secure Digital/MultiMedia) Memory Slot!. High... [See More]

  • Outputs: Serial Communications
  • Display Colors: Multi
  • Display Technology: LCD
  • Bargraph Orientation: Vertical (optional feature); Horizontal (optional feature)
6 in. Loop Powered LCD Bargraph -- Model LBD
from OTEK Corporation

The Innovator & Leader on Automatic Tricolor Bargraphs,now offers you the latest technology for replacement andnew applications. The New LBD Series uses a highly integratedASIC/DSP and Nanowatt microcontroller alongwith a proven software package approved and used bythe Military & Nuclear Industries... [See More]

  • Outputs: Analog (optional feature); Serial Communications; Relay (optional feature)
  • Display Colors: Green
  • Display Technology: LCD
  • Bargraph: Center Zero
6.4" Programmable LCD Module -- ezLCD-102
from EarthLCD, a division of Earth Computer Technologies, Inc.

Specifications. Full ezLCD Command Set. 6.4" 640x480, 18 bit Color TFT LCD, capable of 242,144 simultaneous colors. 250 Nits. Integrated Resistive Touch Screen. Embedded LCD Controller. Full Speed USB 2.0 Interface 480Mbits/s (via USB connector). Serial (true-RS232), I2c Interface, and SPI. [See More]

  • Outputs: Serial Communications
  • Display Colors: Multi
  • Display Technology: LCD
  • Bargraph Orientation: Vertical (optional feature); Horizontal (optional feature)
7 in. Loop Powered LCD Bargraph -- Model LSB
from OTEK Corporation

In 1975 OTEK introduced the World's First Loop Powered DPM. In 1979, The First Loop Powered Bargraph. In1996 the Automatic Tri-Color Bargraph and in 2004 the World's First Loop Powered Serial I/O DPM. Now OTEKbrings you the World's First Loop Powered Switchboard Style Bargraph to complement its New... [See More]

  • Outputs: Serial Communications
  • Display Colors: Green (optional feature); Red (optional feature)
  • Display Technology: LCD
  • Bargraph: Center Zero
7" Programmable LCD Module -- ezLCD-107
from EarthLCD, a division of Earth Computer Technologies, Inc.

7" TFT 800x480. 18 bit Color TFT LCD(262,144colors). 300 Nits LED Backlight. Integrated Resistive Touch Screen. Dedicated LCD Controller Chip. USB,SPI,RS232 Interface. 3.8 MB +SD to 2G Memory. LUA Scripting Language Capable [See More]

  • Outputs: Serial Communications
  • Display Colors: Multi
  • Display Technology: LCD
  • Bargraph Orientation: Vertical (optional feature); Horizontal (optional feature)
Auto-Tricolor Bar-Digital Controller -- Model HI-Q2K
from OTEK Corporation

HFE and HSI compliant display with OTEK's exclusiveautomatic tricolor bargraph. OTEK's new HI-Q2Knot only replaces form fit and fuction the old units butincludes the newest technology made popular by the HIQSeries for ultra high reliability. Hence, its "LifetimeWarranty" (Ltd.). [See More]

  • Outputs: Serial Communications; Relay (optional feature)
  • Display Colors: Green; Orange; Red
  • Display Technology: LED
  • Analog Input Channels: 1
8" Programmable LCD Module -- ezLCD-105
from EarthLCD, a division of Earth Computer Technologies, Inc.

Specifications. Full ezLCD Command Set. 8" 800x600, 18 bit Color TFT LCD, capable of 242,144 simultaneous colors. 220 Nits. Integrated Resistive Touch Screen. Embedded LCD Controller. Full Speed USB 2.0 Interface 480Mbits/s (via USB connector). Serial (true-RS232), I2c Interface, and SPI. Integrated... [See More]

  • Outputs: Serial Communications
  • Display Colors: Multi
  • Display Technology: LCD
  • Bargraph Orientation: Vertical (optional feature); Horizontal (optional feature)
Automatic Tricolor Bargraph/Controller -- Model EBD
from OTEK Corporation

The New EBD was designed to complement OTEK'snewest line of LCD & LED bargraphs where the highestreliability, latest technology and full programmability arerequired. [See More]

  • Outputs: Analog (optional feature); Serial Communications; Relay (optional feature)
  • Display Colors: Green; Orange; Red
  • Display Technology: LED
  • Input Type: DC Voltage (optional feature); DC Current (optional feature)
ezLCD Intelligent Programmable LCD -- ezLCD-001
from EarthLCD, a division of Earth Computer Technologies, Inc.

ezLCD-001 is an intelligent LCD Module that comes mounted as a complete assembly including Sony 2.7" Color TFT LCD and a built-in Earth LCD Controller card and integrated USB and serial interfaces. Earth's ezLCD-001 meets the needs of OEMs, industrial manufacturers, and hobbyists that require small... [See More]

  • Outputs: Serial Communications
  • Display Colors: Multi
  • Display Technology: LCD
  • Bargraph Orientation: Vertical (optional feature); Horizontal (optional feature)
Automatic Tricolor Bargraph/Controller -- Model HI-QTEK
from OTEK Corporation

The USB-232 converter plugs into theDB9 connector and extends 1.25" on therear. Has standard "Client" connector. [See More]

  • Outputs: Analog (optional feature); Serial Communications; Relay (optional feature)
  • Display Colors: Green; Red
  • Display Technology: LED
  • Analog Input Channels: 2
ezLCD Intelligent Programmable LCD -- ezLCD-002
from EarthLCD, a division of Earth Computer Technologies, Inc.

Intelligent Programmable LCD Module with Touch Screen. FEATURES: Integrated Touch Screen (resistive). Programmable Display Module. Serial+USB+Parallel Interface. I2C/AVR/BASIC Stamp/VB Compatible. 64Kb Flash ROM (available for fonts & bitmaps). 1 Megabyte Flash ROM (use to be determined). [See More]

  • Outputs: Serial Communications
  • Display Colors: Multi
  • Display Technology: LCD
  • Bargraph Orientation: Vertical (optional feature); Horizontal (optional feature)
Automatic Tricolor Switchboard Bargraph -- Model SEB
from OTEK Corporation

Now you can replace the Old analog or digital "Switchboard"meters with OTEK's latest Nano & ASIC Technologyworthed of its Lifetime Warranteed products. TheNew SEB (Switchboard LED Bargraph) complementsthe new breed of Programmable Intelligent Controllers,with features only found in other OTEK's... [See More]

  • Outputs: Analog (optional feature); Serial Communications; Relay (optional feature)
  • Display Colors: Green; Red
  • Display Technology: LED
  • Input Type: DC Voltage (optional feature); DC Current (optional feature)
ezLCD Intelligent Programmable LCD -- ezLCD-004
from EarthLCD, a division of Earth Computer Technologies, Inc.

Specifications. Full ezLCD Command Set. 5.6" 320X240, 16 bit Color TFT LCD, capable of 65,536 simultaneous colors. 300 cd/2m (nits). Integrated Resistive Touch Screen. Dedicated LCD Controller Chip. Full Speed USB Interface (via Mini-USB connector). Serial (RS232). Integrated SD/MMC (Secure... [See More]

  • Outputs: Serial Communications
  • Display Colors: Multi
  • Display Technology: LCD
  • Bargraph Orientation: Vertical (optional feature); Horizontal (optional feature)
Loop Powered 4.5 Digit LCD Panel Meter -- Model LPM
from OTEK Corporation

OTEK's New LPM Series brings the latest technologyto your process! The single I.C. A/D can perform all thefunctions by itself or when the Serial I/O option is included,it can become a microprocessor based DPM with SerialI/O, Scaling, Zero Offset, Peak & Hold, Decimal Pointand more. And all Loop... [See More]

  • Outputs: Serial Communications; Relay (optional feature)
  • Display Colors: Green
  • Display Technology: LCD
  • Analog Input Channels: 1
Intelligent LCD Module Evaluation Kit -- ezLCD-001-EDK
from EarthLCD, a division of Earth Computer Technologies, Inc.

The ezLCD-001-EDK is an intelligent LCD Module Development Kit that includes the ezLCD-001-EvalBoard, Sony 2.7" Color TFT LCD, and comes mounted as a complete assembly with a built-in Earth LCD controller card and integrated USB and serial interfaces. Earth's ezLCD meets the needs of OEMs,... [See More]

  • Outputs: Serial Communications
  • Display Colors: Multi
  • Display Technology: LCD
  • Bargraph Orientation: Vertical (optional feature); Horizontal (optional feature)
Smart Bargraph -- Model HI-Q101
from OTEK Corporation

OTEK's New HI-Q101 is notonly a form, fit and functionreplacement of the BE051 &BE101 but a 21st Century technologyequivalent of our successfull HI-Q Series.The look is similar but the performance isdifferent. You get many included featuresand options not available before, such as:*Relays: 2 each... [See More]

  • Outputs: Serial Communications
  • Display Colors: Red
  • Display Technology: LED
  • Input Type: AC Voltage (optional feature); DC Voltage (optional feature); AC Current (optional feature); DC Current (optional feature)